METHODS AND APPARATUS FOR CONTROLLING ACCESS TO A RECORDING DISK - Patent 0806003

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EP 0 806 003 A1

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(43)	Date of publication:
	12.11.1997 Bulletin 1997/46

(21)	Application number: 96935436.0

(22)	Date of filing: 24.10.1996

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International Patent Classification (IPC):

G06F 3/ 06^{( . )}
G11B 11/ 105^{( . )}
G11B 27/ 10^{( . )}

G11B 5/ 55^{( . )}
G11B 21/ 08^{( . )}

(86)	International application number:
	PCT/JP1996/003109

(87)	International publication number:
	WO 1997/016783 (09.05.1997 Gazette 1997/20)

(84)	Designated Contracting States:
	DE ES FR GB IT

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Priority:

30.10.1995 JP 19950282175

(71)	Applicant: SONY CORPORATION
	Tokyo 141 (JP)

(72)	Inventors:
	TOTSUKA, Takashi, Sony Corporation Tokyo 141 (JP) KATO, Yasunobu, Sony Corporation Tokyo 141 (JP) OYA, Noboru, Sony Corporation Tokyo 141 (JP) SHIOYA, Hiroyuki, Sony Corporation Tokyo 141 (JP)

(74)	Representative: Melzer, Wolfgang, Dipl.-Ing., et al
	Patentanwälte Mitscherlich & Partner, Sonnenstrasse 33 80331 München 80331 München (DE)

(54)	METHODS AND APPARATUS FOR CONTROLLING ACCESS TO A RECORDING DISK